🍌 Banana Bread Bars Recipe
These Banana Bread Bars are soft, moist, tender, and packed with the comforting flavor of ripe bananas. They have all the deliciousness of classic banana bread but are baked in a shallow pan, making them easier to slice and perfect for serving at parties, potlucks, afternoon snacks, or family gatherings.
A simple vanilla glaze or cream cheese frosting takes these banana bars to the next level, but they are also delicious served plain with a cup of coffee or tea.
Recipe Details
Prep Time: 15 minutes
Cook Time: 25–30 minutes
Total Time: About 45 minutes
Servings: 16–20 bars
Difficulty: Easy
Ingredients
For the Banana Bars
- ½ cup unsalted butter, melted
- ¾ cup granulated sugar
- ¼ cup brown sugar, packed
- 2 large eggs
- 1 teaspoon pure vanilla extract
- 1½ cups mashed ripe bananas, about 3–4 medium bananas
- 1½ cups all-purpose flour
- 1 teaspoon baking soda
- ½ teaspoon baking powder
- ½ teaspoon salt
- ½ teaspoon ground cinnamon
- ¼ cup sour cream or plain Greek yogurt
- ½ cup chopped walnuts or pecans, optional
For the Cream Cheese Frosting
- 4 ounces cream cheese, softened
- ¼ cup unsalted butter, softened
- 1½ cups powdered sugar
- 1 teaspoon vanilla extract
- 1–2 tablespoons milk, as needed
Equipment
- 9 × 13-inch baking pan
- Mixing bowls
- Whisk
- Rubber spatula
- Electric mixer
- Measuring cups and spoons
- Parchment paper
- Wire cooling rack
Instructions
1. Prepare the Baking Pan
Preheat your oven to 350°F (175°C).
Grease a 9 × 13-inch baking pan and line it with parchment paper, leaving a little parchment hanging over the sides.
The parchment makes it much easier to remove the cooled banana bars before slicing.
2. Mash the Bananas
Peel the ripe bananas and place them in a bowl.
Mash them thoroughly with a fork until mostly smooth.
A few small pieces are perfectly fine and can add extra banana texture.
For the best flavor, use bananas that are very ripe with plenty of brown spots on the peel. They are naturally sweeter and more flavorful.
3. Combine the Wet Ingredients
In a large mixing bowl, whisk together the melted butter, granulated sugar, and brown sugar.
Add the eggs one at a time, whisking well after each addition.
Stir in the vanilla extract and mashed bananas.
Add the sour cream or Greek yogurt and mix until the batter is smooth.
4. Mix the Dry Ingredients
In another bowl, whisk together:
- All-purpose flour
- Baking soda
- Baking powder
- Salt
- Cinnamon
Mix until the ingredients are evenly distributed.
5. Combine Wet and Dry Mixtures
Gradually add the dry ingredients to the banana mixture.
Use a rubber spatula to gently fold everything together.
Mix only until the flour disappears.
Do not overmix the batter. Overmixing can make the finished banana bars dense or chewy instead of soft and tender.
If using chopped walnuts or pecans, gently fold them into the batter.
6. Pour Into the Pan
Transfer the batter to the prepared 9 × 13-inch pan.
Spread it evenly from corner to corner using a spatula.
Tap the pan gently on the counter once or twice to remove any large air pockets.
7. Bake
Place the pan in the preheated oven.
Bake for approximately 25–30 minutes, or until the center is set and a toothpick inserted into the middle comes out with a few moist crumbs.
Avoid overbaking because the bars can become dry.
8. Cool Completely
Remove the pan from the oven and place it on a wire rack.
Allow the banana bars to cool completely before frosting.
If you frost them while they are still hot, the frosting may melt and become runny.
🧁 Make the Cream Cheese Frosting
9. Beat the Cream Cheese and Butter
Place softened cream cheese and butter in a mixing bowl.
Beat with an electric mixer for approximately 1–2 minutes, until smooth and creamy.
10. Add Powdered Sugar
Gradually add the powdered sugar while mixing on low speed.
Once incorporated, increase the speed and beat until light and fluffy.
Add the vanilla extract.
If the frosting is too thick, add milk 1 tablespoon at a time until you reach a smooth spreading consistency.
11. Frost the Banana Bars
Once the banana bars have completely cooled, spread the cream cheese frosting evenly over the top.
For a decorative finish, sprinkle chopped walnuts, pecans, or a light dusting of cinnamon over the frosting.
12. Slice and Serve
Lift the banana bars from the pan using the parchment paper.
Place them on a cutting board and cut into squares or rectangles.
Serve immediately or refrigerate until ready to enjoy.
⭐ Tips for Perfect Banana Bread Bars
Use very ripe bananas. Brown-spotted bananas provide the best sweetness and banana flavor.
Measure flour carefully. Too much flour can make the bars dry. For the most accurate result, use a kitchen scale or spoon the flour into your measuring cup and level it.
Don’t overmix. Mix the batter only until the dry ingredients are incorporated.
Don’t overbake. Start checking the bars around the 25-minute mark.
Cool before frosting. Completely cooled bars give you the best frosting texture.
Use room-temperature cream cheese. It produces a smoother frosting without lumps.
🍫 Delicious Variations
Chocolate Chip Banana Bars
Fold ¾ cup semi-sweet chocolate chips into the batter before baking.
You can also sprinkle a few extra chocolate chips over the top.
Chocolate Banana Bars
Add ¼ cup unsweetened cocoa powder to the dry ingredients and reduce the flour by ¼ cup.
Cinnamon Sugar Banana Bars
Before baking, sprinkle the batter with a mixture of:
- 2 tablespoons granulated sugar
- ½ teaspoon cinnamon
This creates a lightly crisp, sweet topping.
Peanut Butter Banana Bars
Swirl ½ cup creamy peanut butter over the batter before baking.
For extra flavor, add chocolate chips as well.
Nutty Banana Bars
Fold ½–¾ cup chopped walnuts or pecans into the batter.
Toast the nuts beforehand for an even deeper flavor.
🍯 Easy Vanilla Glaze
If you prefer something lighter than cream cheese frosting, make a quick vanilla glaze.
Ingredients
- 1 cup powdered sugar
- 1–2 tablespoons milk
- ½ teaspoon vanilla extract
Method
Whisk everything together until smooth.
Drizzle over completely cooled banana bars and allow the glaze to set for several minutes before slicing.
🧊 Storage
Store frosted banana bread bars in an airtight container in the refrigerator for up to 4–5 days.
If you make the bars without cream cheese frosting, they can be stored in an airtight container at room temperature for approximately 2–3 days.
Allow refrigerated bars to sit at room temperature for several minutes before serving for the best texture.
❄️ Freezing Instructions
Banana bread bars freeze well.
For best results, freeze the unfrosted bars.
- Allow the bars to cool completely.
- Cut them into individual portions.
- Wrap each piece tightly in plastic wrap.
- Place the wrapped pieces in a freezer-safe bag or container.
- Freeze for up to 2–3 months.
- Thaw overnight in the refrigerator or for several hours at room temperature.
- Frost after thawing if desired.
🍽️ Serving Suggestions
These banana bread bars are delicious with:
- Coffee
- Tea
- Cold milk
- Hot chocolate
- Fresh berries
- Sliced bananas
- Caramel sauce
- Chocolate sauce
- A scoop of vanilla ice cream
They are especially good when served slightly chilled with a generous layer of cream cheese frosting.
Nutrition Information
Approximate per serving:
- Calories: 250
- Protein: 3 g
- Carbohydrates: 35 g
- Fat: 11 g
- Saturated Fat: 6 g
- Sugar: 23 g
- Fiber: 1 g
- Sodium: 150 mg
Nutrition information is an estimate and will vary depending on the ingredients, frosting, and serving size.
Frequently Asked Questions
Can I use frozen bananas?
Yes. Thaw frozen bananas completely before using them. Drain away any large amount of excess liquid, then mash the bananas.
Why are my banana bars dry?
The most common causes are too much flour or overbaking. Measure the flour carefully and begin checking the bars around 25 minutes.
Can I make these bars without frosting?
Absolutely. The banana bars are moist and flavorful enough to enjoy on their own.
Can I use Greek yogurt instead of sour cream?
Yes. Plain full-fat or whole-milk Greek yogurt works very well.
Can I add chocolate chips?
Yes. Add approximately ¾ cup of your favorite chocolate chips to the batter.
How do I know when banana bars are done?
Insert a toothpick into the center. It should come out clean or with a few moist crumbs attached. Wet batter means the bars need more time.
Final Tip
For the best banana bread bars, use very ripe bananas, avoid overmixing the batter, and remove the bars from the oven as soon as the center is set. Let them cool completely before adding the cream cheese frosting for soft, moist, bakery-style results.
